Junior Mobile Developer (Android/iOS) – Frankfurt

About the role

We are looking for a motivated Junior Mobile Developer to join our Investment & Loan team in a fast‑growing FinTech environment. You will work on our banking app, gaining hands‑on experience with native Android and iOS development while collaborating with product managers, designers and backend engineers.

Key responsibilities

• Design and implement future‑proof API interfaces and contribute to the overall mobile architecture.
• Optimize performance, UI reactivity and the native look‑and‑feel of the app on both platforms.
• Collaborate with product owners, UX/UI designers and backend developers to deliver new features from concept to release.
• Keep the technology stack up to date by evaluating emerging mobile tools and best practices, including CI/CD pipelines.
• Ensure high code quality through automated testing and code reviews.

Required profile

• Completed degree in Computer Science or a related field.
• 1–2 years of practical experience gained through internships, student projects or similar work.
• Familiarity with agile development, preferably Scrum.
• Good command of German and English.

Required skills

• Native Android development
• Native iOS development
• API design and integration
• CI/CD pipelines
• Scrum/Agile methodology

What we offer

• Hybrid work model with four days in the office and one flexible day.
• Continuous personal development through training and regular feedback.
• Performance‑based salary package with annual bonuses.
• Benefits such as fitness partnerships, subsidised bike leasing and modern ergonomic workstations.